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copy_term/2 display (?) incorrect #2343

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infradig opened this issue Feb 27, 2024 · 1 comment

infradig commented Feb 27, 2024

?- V=[V], copy_term(f(V),W).
V = [V], W = f([[]]).
?-

UWN commented Feb 28, 2024

Probably similar to #2333 , thus only writing is incorrect. All below are fine.

?- V=[V], copy_term(f(V),W), W = f([[]]).
   false.
?- V=[V], copy_term(f(V),W), W == f(V).
   V = [V], W = f([[]]).
?- V=[V], copy_term(f(V),W), W = f(V).
   V = [V], W = f([[]]).
?- V=[V], copy_term(f(V),W), acyclic_term(W).
   false.

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